Asked by Sha
A linear system has no solutions 7x + 9y = 14 and ax + 2y = b
Determine what the value of a is
Determine the value that b cannot have
Determine what the value of a is
Determine the value that b cannot have
Answers
Answered by
oobleck
14x+18y = 28
9ax+18y = 9b
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(14-9a)x = 28-9b
x = (28-9b)/(14-9a)
b can be anything
a cannot be 14/9
9ax+18y = 9b
--------------------
(14-9a)x = 28-9b
x = (28-9b)/(14-9a)
b can be anything
a cannot be 14/9
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